Finding the Fourth Proportional to 11,177.05, 16,765.61 and 3,385.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,177.05 : 16,765.61 = 3,385.86 : x
2. Step 2: Convert to fraction form
   11,177.05/16,765.61 = 3,385.86/x
3. Step 3: Cross multiply
   11,177.05x = 16,765.61 × 3,385.86
4. Step 4: Simplify right side
   11,177.05x = 56,766,077.31
5. Step 5: Solve for x
   x = 56,766,077.31/11,177.05
6. Step 6: Final answer
   x = 5,078.81